Electric Daisy Carnival Las Vegas has revealed the lineup for its upcoming festival… sort of. In a twist on the typical format, Insomniac released a scrambled version of the EDC lineup, challenging fans to discover which artists are performing via a hieroglyphic-esque code known as the “Owlphabet.”

The internet loves nothing more than a good challenge, however, and the good people on Reddit took little time to decipher the hidden message. Headliners Avicii, Calvin Harris, Disclosure, Eric Prydz, Kaskade, and Tiesto which will join 200 artists for the three-day festival, set to run June 19-21.

You can view the EDC Las Vegas lineup below, with more to be announced soon. General Admission tickets are currently sold out, but VIP tickets are still available here.